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Summary of Significant Accounting Policies and Procedures and Recent Accounting Pronouncements - PP&E (Details)
 12 Months Ended
Dec. 31, 2016
Buildings | Minimum  
Estimated useful lives of the assets  
Estimated useful life of property 25 years
Buildings | Maximum  
Estimated useful lives of the assets  
Estimated useful life of property 35 years
Building improvements | Minimum  
Estimated useful lives of the assets  
Estimated useful life of property 4 years
Building improvements | Maximum  
Estimated useful lives of the assets  
Estimated useful life of property 20 years